Reversing steam-turbine.



J. GYULAY.

REVERSING STEAM TURBINE.

APPLIOATION FILED JAN. 2, 1914.

Patented Mar. 24, 1914 2 SHEETS$HEET 1.

J. GYULAY.

' REYERSING STEAM TURBINE.

APPLICATION FILED JAN. 2, 1914. 1,091,129 Patented Mar. 24, 14914.

- 2 SHEETS-SHEET 2.

A gmewkoz' W W MW JOHN GYULAY, OF BRIDGEPORT, CONNECTICUT.

REVERSING' STEAM-TURBINE.

Specification of Letters Patent.

Patented Mar. 24, 1914.

AppIication filed January 2, 1914. Serial No. 809,952.

T all whom it may concern: I

Be it known that I, JOHN GYULAY, a subject of the King of Hungary,residing at Bridgeport, in the county of Fairfield and State ofConnecticut, have invented certain new and useful Improvements inReversing- Steam-Turbine Engines, of which the following is aspecification.

This invention relates to certain new and useful improvements inreversing steam turbine engines.

An object of the invention is to provide a steam turbine engine with asubstantially spherical steam dome and arranging at the lower end of thesteam dome, a double acting valve to alternately feed steam to either aforward or reversing turbine wheel.

A further object of the invention is to provide a steam turbine enginewith a pair of integral turbine wheels arranged side by side and eachwheel having pockets opening in opposite directions, the turbine wheelsbeing supported independently of sand engine and arranged to partiallyextend into an en largement carried by the steam dome.

With the above and other objects in view which will appear as the natureof the invention is better understood, the same consists in the novelconstruction, combination and arrangement of parts to be hereinaftermore fully described and then claimed, reference being had to theaccompanying draw ings by like characters throughout the several views,and wherein Figure 1 is a side elevational view of a steam turbineengine embodying my invention. Fig. 2 is a top plan view of the same.Fig. 3 is an enlarged detail sectional view of the double acting valvefor controlling the steam supply to the turbine wheel, and Figs. 4 and 5are side elevational views partly in section, of a portion of the steamdome, the valve and turbine wheels illustrating the forward and reverseturbine wheels.-

Referring more specifically to the drawings, the reference numeraldesignates a steam boiler of the usual construction. In the presentinstance, the steam dome in con nection with the steam boiler is formedindependently of said boiler and is of substantially spherical shape.This steam dome is designated 11 and has a pipe connection 12 with theboiler 10 which is controlled by the valve cook 13. The steam dome 11 issupported upon the standard 14 arranged adjacent one end of the boiler.A pipe 15 connected with the steam dome 11 constitutes an auxiliaryoutlet for the same, this pipe belng provided with a valve cook 16 andarranged intermediate the ends of said pipe 1s a steam pressureindicator 17.

One side of the steam dome 11 adjacent 1ts lower end is provided with ahollow substantially semi-circular enlargement 18 and arranged betweenthe steam dome 11 and enlargement 18 is a tubular member 19 constitutinga casing for a double acting valve 20. The valve casing 19 is providedwith a pair of ports 21 and 22, the ports 21 being inclined upwardlywhile the ports 22 are inclined downwardly and arranged in spacedrelation. The valve is provided with a pair of ports 23 and 2 1 openingin different directions and adapted to alternately register with theports 21 and 22. The valve 20 is inserted in the casing 19 and has itsinner end screw-threaded as at 25 to receive a packing gland 26, theinner end of which is received in the internally-threaded boss 27 formedon one side of the steam dome. A packing gland 28 is received in theenlargement 29 carried by the opposite side of the steam dome andeffectively prevents all escape of steam.

The outer end 30 of the valve 20 is pro vided with a crank arm 31 andconnected to the end of said crank arm is one end of a link 32. Theother end of said link is connected to the lever 33, which lever isconnected at its end as at 34 to an arm 35 projecting from the forwardend of the boiler. The turbine wheel in the present instance, is of thedouble acting type and is designated in general, 36. The turbine wheel36 is mounted upon a standard 37 arranged adjacent the standard 14 andso positioned with respect thereto that the turbine 36 will eX- tendinto the semi-spherical enlargement 18 carried by the steam dome 11. Theupper ends of the standards 37 constitute trunnions for the turbinewheel 36 and preferably as shown, a circular saw 39 is mounted upon oneend of the shaft 38, although any other power driven implement can beutilized.

The turbine wheel is of the double acting type and comprises morespecifically three circular plates 40 equi-distantly spaced andproviding a pair of compartments. In each of the compartments arearranged the blades as shown in Figs. 1- and 5. Referring to Fig. 4-,the turbine wheel shown is adapted to drive the shaft 38 in a forwarddirection. This wheel comprises the radial blades 41 5 *PlOVlClGCl withthe pockets 42 against which is directed a jet of steam from the steamdome 11. through the registering ports 21 and 23. The form of turbineWheel shown in Fig. 5 is for driving the shaft 38 in an oppositedirection and comprises the blades 4-3 provided with the pockets 44:against which is directed a jet of steam passing through the registeringports 22 and 24.

The operation of the device is as follows: When it is desired to drivethe shaft 28 in a forward direction, the valve 20 is rotated to bringthe ports 21 and 23 into registry, which permits the steam contained inthe dome 11 to pass therethrough and be received within the pockets 42of the blades 41. IVhen it is desired to reverse the direction of travelof the shaft 38, the lever 33 is moved and shifts the link 32, whichlink being connected to the crank arm 31 carried by the end 30 of thevalve 20, moves said valve to break the passages 21 and 23 and bring.into communication the ports 22 and 24, and direct the jet of steam fromthe dome 11 into the pockets 4&1 of the blades 43. It is to be notedthat the steam passing from the dome llinto the enlargement 18 to drivethe turbine wheel'escapes at this point. The valve cock 13is provided toshut off the supply of steam from the boiler 10 while the pipe 15 isused to drain the dome 11 as well as constituting. a secondary means forthe steam indicator 17 VVhile I have shown and described the preferredembodiment of my invention, I do not wish to confine myself thereto, asvarious forms and modifications of the parts Copies of this patent maybe obtained for may be had without departing from the spirit and scopeof the invention as claimed.

lVhat I claim as new and desire to secure by Letters Patent is 1. In areversing steam turbine engine, a substantially spherical steam dome, anen largement carried by said dome, a doubleacting valve arranged betweenthe steam dome and the enlargement, and a double turbine wheel providedwith pockets opening in opposite directions supported independently ofsaid engine and partially extending into said enlargement.

2. In a. reversing steam turbine engine, a steam dome arrangedindependently of said engine and having a conduit connection therewith,an enlargement carried by said dome, a double-acting valve positionedbetween the dome and the enlargement, a driven shaft independent of saidengine, a double turbine wheel provided with pockets opening in oppositedirections carried by said driven shaft and adapted to partially extendinto said enlargement.

3. A steam turbine engine comprising steam dome, a semi-sphericalenlargement carried by said dome opening to the atmosphere, a turbinewheel provided with two sets of pockets, each of said pockets opening inopposite directions, said turbine wheel being positioned to extend intothe enlargement, and a double-aeting valve for directing the jet ofsteam onto elther set of pockets for driving said wheel in eitherdirection.

In testimony whereof I afiix my signature in presence of two witnesses.

JOHN GYULAY.

Witnesses KnoJNrn; Toznsx, ANDREW BAUDRE.

five cents each, by addressing the Commissioner of Patents. Washington,D. C.

